.audio-area {
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    height: 4rem;
    left: 0;
    bottom: 0;
    padding: 0 1rem;
    background-color: #eee;
    transition: bottom ease .5s;
    z-index: 5;
}

.audio-area.show {
    bottom: 6rem;
}

.music-disc {
    width: 5rem;
    height: 5rem;
}

.music-detail {
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
    padding-left: 1rem;
}

.audio-area .iconfont {
    font-size: 2.5rem;
    margin-right: .5rem;
}

.audio-area .iconfont:last-child {
    margin-right: 0;
}